公开(公告)号：US09224337B2

公开(公告)日：2015-12-29

申请号：US13865018

申请日：2013-04-17

Applicant: LG Display Co., Ltd.

Inventor： Nayoung Bae ,  Joongsun Yoon ,  Minjae Shin

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0252 ,  G09G2320/043 ,  G09G2320/045

Abstract: The organic light emitting diode display device comprising a display panel a plurality of pixels arranged in a matrix form, each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage line; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage line; a first TFT supplying a data voltage to the first node in response to a scan signal; a initialization control circuit initializing the first node to a first reference voltage and the second node or the third node to a second reference voltage in response to a initialization signal and an emission signal; and capacitors.

Abstract translation: 所述有机发光二极管显示装置包括以矩阵形式布置的多个像素的显示面板，每个所述像素包括：驱动TFT，包括耦合到第一节点的栅电极，耦合到第二节点的源电极和 耦合到高电位电压线的漏电极; 包括耦合到第二节点的阳极和耦合到低电位电压线的阴极的有机发光二极管; 第一TFT，响应于扫描信号向第一节点提供数据电压; 初始化控制电路，响应于初始化信号和发射信号，将第一节点初始化为第一参考电压，将第二节点或第三节点初始化为第二参考电压; 和电容器。

公开(公告)号：US20150187271A1

公开(公告)日：2015-07-02

申请号：US14508882

申请日：2014-10-07

Applicant: LG Display Co., Ltd.

Inventor： Nayoung Bae ,  Jongsik Shim

IPC: G09G3/32 ,  H01L27/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0866 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/14609 ,  H01L27/14612 ,  H01L27/14623 ,  H01L27/14627 ,  H01L27/1463

Abstract: An organic light emitting diode display device includes: an organic light emitting diode; a driving transistor having a first electrode, a second electrode, and a third electrode, the first electrode coupled to the variable driving voltage source and controlling the operation of the organic light emitting diode depending on a voltage difference between the third electrode and the second electrode; a first current source for supplying a first current to the third electrode and the second electrode of the driving transistor through a data line; a second current source for supplying a second current to the third electrode and the second electrode of the driving transistor through the data line; and a digital-to-analog converter for detecting the level of a sensing current flowing between the first and second electrodes of the driving transistor through the data line.

Abstract translation: 有机发光二极管显示装置包括：有机发光二极管; 具有第一电极，第二电极和第三电极的驱动晶体管，所述第一电极耦合到所述可变驱动电压源，并且根据所述第三电极和所述第二电极之间的电压差来控制所述有机发光二极管的操作 ; 用于通过数据线向第三电极和驱动晶体管的第二电极提供第一电流的第一电流源; 用于通过数据线向第三电极和驱动晶体管的第二电极提供第二电流的第二电流源; 以及数模转换器，用于通过数据线检测在驱动晶体管的第一和第二电极之间流动的感测电流的电平。

公开(公告)号：US09524678B2

公开(公告)日：2016-12-20

申请号：US14508882

申请日：2014-10-07

Applicant: LG Display Co., Ltd.

Inventor： Nayoung Bae ,  Jongsik Shim

IPC: G09G3/32 ,  H01L27/146

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0866 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043 ,  H01L27/14609 ,  H01L27/14612 ,  H01L27/14623 ,  H01L27/14627 ,  H01L27/1463

Abstract: An organic light emitting diode display device includes: an organic light emitting diode; a driving transistor having a first electrode, a second electrode, and a third electrode, the first electrode coupled to the variable driving voltage source and controlling the operation of the organic light emitting diode depending on a voltage difference between the third electrode and the second electrode; a first current source for supplying a first current to the third electrode and the second electrode of the driving transistor through a data line; a second current source for supplying a second current to the third electrode and the second electrode of the driving transistor through the data line; and a digital-to-analog converter for detecting the level of a sensing current flowing between the first and second electrodes of the driving transistor through the data line.

Abstract translation: 有机发光二极管显示装置包括：有机发光二极管; 具有第一电极，第二电极和第三电极的驱动晶体管，所述第一电极耦合到所述可变驱动电压源，并且根据所述第三电极和所述第二电极之间的电压差来控制所述有机发光二极管的操作 ; 用于通过数据线向第三电极和驱动晶体管的第二电极提供第一电流的第一电流源; 用于通过数据线向第三电极和驱动晶体管的第二电极提供第二电流的第二电流源; 以及数模转换器，用于通过数据线检测在驱动晶体管的第一和第二电极之间流动的感测电流的电平。

公开(公告)号：US09466243B2

公开(公告)日：2016-10-11

申请号：US14945160

申请日：2015-11-18

Applicant: LG Display Co., Ltd.

Inventor： Nayoung Bae ,  Joongsun Yoon ,  Minjae Shin

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0252 ,  G09G2320/043 ,  G09G2320/045

Abstract: The organic light emitting diode display device comprising a display panel a plurality of pixels arranged in a matrix form, each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage line; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage line; a first TFT supplying a data voltage to the first node in response to a scan signal; a initialization control circuit initializing the first node to a first reference voltage and the second node or the third node to a second reference voltage in response to a initialization signal and an emission signal; and capacitors.

公开(公告)号：US09460661B2

公开(公告)日：2016-10-04

申请号：US14535078

申请日：2014-11-06

Applicant: LG Display Co., Ltd.

Inventor： Jongsik Shim ,  Hongjae Shin ,  Nayoung Bae

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295

Abstract: An organic light emitting display can include a display panel including a plurality of pixels of a source following manner, in which a source voltage of a driving thin film transistor (TFT) is changed according to a current flowing between a drain electrode and a source electrode of the driving TFT, a gate driving circuit for generating a mobility sensing gate pulse for operating the pixel in the source following manner, a data driving circuit for detecting a sensing voltage corresponding to mobility of the driving TFT from the pixel in response to the mobility sensing gate pulse, and a timing controller for setting a mobility sensing period in a period, in which a gate-source voltage of the driving TFT is greater than a threshold voltage of the driving TFT.

Abstract translation: 有机发光显示器可以包括显示面板，该显示面板包括源依次的多个像素，其中驱动薄膜晶体管（TFT）的源极电压根据在漏电极和源电极之间流动的电流而改变 驱动TFT的栅极驱动电路，用于产生用于以源跟随方式操作像素的迁移率感测门脉冲的栅极驱动电路，用于响应于移动性从像素检测对应于驱动TFT的迁移率的感测电压的数据驱动电路 感测门脉冲，以及定时控制器，用于在驱动TFT的栅极 - 源极电压大于驱动TFT的阈值电压的周期内设定迁移率感测周期。